Home / 327,439.36-491,157.42-282,929.86

Finding the Fourth Proportional to 327,439.36, 491,157.42 and 282,929.86

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Solution

The fourth proportional to 327,439.36, 491,157.42 and 282,929.86 is: 424,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,439.36 : 491,157.42 = 282,929.86 : x
  2. Step 2: Convert to fraction form
    327,439.36/491,157.42 = 282,929.86/x
  3. Step 3: Cross multiply
    327,439.36x = 491,157.42 × 282,929.86
  4. Step 4: Simplify right side
    327,439.36x = 138,963,100,078.56
  5. Step 5: Solve for x
    x = 138,963,100,078.56/327,439.36
  6. Step 6: Final answer
    x = 424,393.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.